columbiad Meaning, Definition & Usage

Co*lum"bi*ad noun

Etymology

From Columbia the United States.

Definitions

1. (Mil.) A form of seacoast cannon; a long, chambered gun designed for throwing shot or shells with heavy charges of powder, at high angles of elevation. ✍ Since the War of 1812 the Columbiad has been much modified form now used in seacoast defense is often called the Rodman gun.